Maths Olympiad Prep

Library /Baltic Way shortlist

Baltic Way shortlist

67 problems here, rated 7.5 to 9.1 on our scale (National olympiad, round 2 to IMO level). 67 of them ask for a proof.

Algebra 16Combinatorics 17Geometry 21Number theory 13
#TopicDiffTypeYear
1 Number theory 7.1 proof 2023 open
2 Algebra 7.5 proof — open
3 Number theory 7.5 proof — open
4 Algebra 7.6 proof 2023 open
5 Combinatorics 7.6 proof 2023 open
6 Algebra 7.7 proof 2023 open
7 Number theory 7.7 proof 2023 open
8 Combinatorics 7.7 proof 2023 open
9 Number theory 7.8 proof — open
10 Combinatorics 7.9 proof — open
11 Algebra 7.9 proof 2023 open
12 Geometry 7.9 proof — open
13 Geometry 8.0 proof 2023 open
14 Geometry 8.0 proof — open
15 Combinatorics 8.0 proof — open
16 Algebra 8.0 proof 2023 open
17 Algebra 8.0 proof 2023 open
18 Number theory 8.1 proof — open
19 Geometry 8.1 proof — open
20 Number theory 8.1 proof — open
21 Combinatorics 8.1 proof — open
22 Algebra 8.1 proof — open
23 Algebra 8.1 proof 2023 open
24 Number theory 8.1 proof — open
25 Geometry 8.2 proof 2023 open
26 Geometry 8.2 proof 2023 open
27 Geometry 8.2 proof 2023 open
28 Number theory 8.2 proof — open
29 Combinatorics 8.2 proof 2023 open
30 Geometry 8.3 proof — open
31 Algebra 8.3 proof — open
32 Combinatorics 8.4 proof — open
33 Combinatorics 8.4 proof — open
34 Algebra 8.4 proof — open
35 Geometry 8.4 proof — open
36 Combinatorics 8.4 proof — open
37 Geometry 8.5 proof — open
38 Geometry 8.5 proof — open
39 Geometry 8.5 proof 2023 open
40 Number theory 8.5 proof 2023 open
41 Number theory 8.5 proof 2023 open
42 Geometry 8.5 proof — open
43 Number theory 8.5 proof 2023 open
44 Geometry 8.6 proof 2023 open
45 Algebra 8.6 proof 2023 open
46 Combinatorics 8.6 proof — open
47 Algebra 8.6 proof 2023 open
48 Geometry 8.6 proof — open
49 Geometry 8.6 proof 2023 open
50 Geometry 8.6 proof 2023 open
51 Combinatorics 8.7 proof 2023 open
52 Geometry 8.7 proof 2023 open
53 Combinatorics 8.8 proof — open
54 Algebra 8.8 proof — open
55 Geometry 8.8 proof 2023 open
56 Algebra 8.8 proof 2023 open
57 Algebra 8.8 proof 2023 open
58 Number theory 8.8 proof 2023 open
59 Combinatorics 8.8 proof 2023 open
60 Geometry 8.9 proof 2023 open
61 Number theory 8.9 proof 2023 open
62 Algebra 8.9 proof — open
63 Combinatorics 8.9 proof — open
64 Combinatorics 9.0 proof 2023 open
65 Geometry 9.0 proof 2023 open
66 Combinatorics 9.1 proof — open
67 Combinatorics 9.2 proof 2023 open
These are sorted by difficulty within the competition, but they aren't a course. The track is the route through, drawn from all the sources at once.